CN220543391U - Infrared imaging concave lens device of banknote counter - Google Patents
Infrared imaging concave lens device of banknote counter Download PDFInfo
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- CN220543391U CN220543391U CN202321725454.6U CN202321725454U CN220543391U CN 220543391 U CN220543391 U CN 220543391U CN 202321725454 U CN202321725454 U CN 202321725454U CN 220543391 U CN220543391 U CN 220543391U
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- concave lens
- infrared receiving
- receiving sensor
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- 238000003331 infrared imaging Methods 0.000 title claims abstract description 19
- 239000011521 glass Substances 0.000 claims abstract description 9
- 238000003384 imaging method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Inspection Of Paper Currency And Valuable Securities (AREA)
Abstract
The utility model provides an infrared imaging concave lens device of a banknote counter, which relates to the field of banknote counters and comprises an infrared emission sensor and an infrared receiving sensor, wherein the infrared emission sensor and the infrared receiving sensor are oppositely arranged, a banknote passing channel is formed between the infrared emission sensor and the infrared receiving sensor, the infrared emission sensor is packaged on an emission circuit board in a strip shape, the infrared receiving sensor is packaged on a receiving circuit board in a strip shape, a concave lens is arranged on the infrared receiving sensor, and transparent white glass is arranged on the inner sides of the infrared emission sensor and the infrared receiving sensor.
Description
Technical Field
The utility model relates to the field of banknote counting machines, in particular to an infrared imaging concave lens device of a banknote counting machine.
Background
The banknote counter is an electromechanical integrated machine for counting, identifying counterfeit money and identifying denomination, and the prior art of the banknote counter mainly adopts a high-resolution CIS sensor and a low-resolution infrared imaging sensor, and the high-resolution CIS has high cost and is generally used in high-end market environments such as a bank counter and a vault; the low-resolution infrared imaging sensor has low cost, but the problems of few infrared points, scattered light sources, low imaging pixels, unsatisfactory image definition and the like possibly exist, so the infrared imaging concave lens device of the banknote counter is provided.
Disclosure of Invention
The utility model aims to solve the following problems in the prior art: the existing low-resolution infrared imaging sensor may have the problems of few infrared points, scattered light sources, low imaging pixels, unsatisfactory image definition and the like.
In order to solve the problems in the prior art, the utility model provides an infrared imaging concave lens device of a banknote counter, which comprises an infrared emission sensor and an infrared receiving sensor, wherein the infrared emission sensor and the infrared receiving sensor are oppositely arranged, a banknote passing channel is formed between the infrared emission sensor and the infrared receiving sensor, the infrared emission sensor is packaged on an emission circuit board in a strip shape, the infrared receiving sensor is packaged on a receiving circuit board in a strip shape, a concave lens is arranged on the infrared receiving sensor, and transparent white glass is arranged on the inner sides of the infrared emission sensor and the infrared receiving sensor.
Further, the contact part of the banknote passing channel and the banknote inside the infrared transmitting sensor and the infrared receiving sensor is provided with transparent white glass. The transparent white glass is adhered by special glue to isolate dust.
Further, the number of the concave lens lenses is 144, and the number of the infrared receiving sensors and the infrared transmitting sensors is at least 120-226. The number of concave lens lenses is corresponding to the number of infrared receiving sensors and infrared transmitting sensors, and the crossed transmitting light beams are focused into points through the corresponding number of concave lenses, so that the infrared imaging resolution is improved.
Further, the center distance between the infrared emission sensor and the infrared receiving sensor is 0.5-2mm.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model has high imaging definition, and the concave lens device is additionally arranged on the infrared receiving tube to focus the cross emission light beams into points, thereby improving the infrared imaging resolution, enabling the imaging definition of the infrared imaging device to be clearer, achieving the effect that the CIS wants to be attractive, reducing the machine cost and improving the market popularization rate.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a partial structure of the present utility model;
FIG. 3 is a schematic view of a partial structure of a concave lens according to the present utility model;
FIG. 4 is a schematic view of a partial structure of a banknote passage according to the present utility model;
reference numerals: 1. an infrared emission sensor; 2. an infrared receiving sensor; 3. a banknote passing channel; 4. a transmitting circuit board; 5. light-transmitting white glass; 6. receiving a circuit board; 7. a concave lens.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.
Specific embodiments of the present utility model are described below with reference to the accompanying drawings.
Example 1
As shown in figures 1-4, an infrared imaging concave lens device of a banknote counter is provided, an infrared emission sensor 1 and an infrared receiving sensor 2 are oppositely arranged, a banknote passing channel 3 is formed between the infrared emission sensor 1 and the infrared receiving sensor 2, a receiving circuit board 6 is arranged at the bottom of the infrared receiving sensor 2, patch infrared receiving tubes are arranged on the receiving circuit board 6, the distance is in a strip arrangement within a range of (0.5-2) mm, a step long groove is formed in the component, a concave lens 7 is arranged in the long groove, the concave lens 7 is required to be aligned with the patch to receive the infrared tubes, a light-transmitting white glass 5 is just arranged at a moderate height to project a focusing point of an infrared light source onto an infrared receiving crystal element point, and the infrared emission sensor 1 and the inner side of the infrared receiving sensor 2 are bonded by glue to isolate dust from entering.
Description of working principle: the infrared transmitting sensor 1 transmits, penetrates and scans paper money passing through the paper money passing channel 3, the infrared receiving sensor 2 focuses an upper transmitting light source on a receiving component wafer through the concave lens 7, image precision processing is carried out through a CPU algorithm, therefore, clear infrared images are achieved, and the face value of the paper money and counterfeit money data are identified through database comparison.
The infrared emission sensor 1 is mainly used for carrying out emission penetration scanning on paper money passing through the paper money passing channel 3, and the infrared emission sensor 1 is arranged in a one-to-one opposite mode according to the infrared receiving sensor 2 when being selected.
The infrared receiving sensor 2 is mainly used for receiving and processing the signal light source emitted by the infrared emitter 1, and is arranged in a one-to-one opposite way according to the infrared emitting sensor 1 when in use.
The banknote passing channel 3 is mainly used for passing banknote, and when the banknote passing channel 3 is selected, the infrared emission sensor 1 and the infrared receiving sensor 2 form the banknote passing channel 3 with the distance of 1.5-2.5 mm.
The transmitting circuit board 4 is mainly used for installing the infrared transmitting sensor 1, and when the infrared transmitting sensor 1 is selected, the center distance of each sensor of the infrared transmitting sensor 1 is 1.2mm and is packaged on the transmitting circuit board 4 in a strip shape.
The transparent white glass 5 can be mainly contacted with paper money for light beam penetration, and is generally bonded by special glue to prevent dust from entering when in selection.
The receiving circuit board 6 is mainly used for installing the infrared receiving sensors 2, and when the infrared receiving sensors 2 are selected, the center distance of each sensor of the infrared receiving sensors 2 is 1.2mm, and the sensors are packaged on the receiving circuit board 6 in a strip shape.
The concave lens 7 is mainly used for focusing the cross emission light beams into points, improving the resolution of infrared imaging, and when the infrared imaging is selected, the infrared light is received by aiming at the patch, and the focusing point of the infrared light source is just projected to the infrared receiving wafer point at a moderate height.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a paper money counter infrared imaging concave lens device, includes infrared emission sensor (1) and infrared receiving sensor (2), and infrared emission sensor (1) and infrared receiving sensor (2) set up relatively, and are formed with paper money passageway (3), its characterized in that between the two: the infrared emission sensor (1) is packaged on the emission circuit board (4) in a strip shape, the infrared receiving sensor (2) is packaged on the receiving circuit board (6) in a strip shape, a concave lens (7) is arranged on the infrared receiving sensor (2), and light-transmitting white glass (5) is arranged on the inner sides of the infrared emission sensor (1) and the infrared receiving sensor (2).
2. The infrared imaging concave lens device of a banknote counter according to claim 1, wherein: the contact parts of the banknote passing channel (3) and the banknotes at the inner sides of the infrared emission sensor (1) and the infrared receiving sensor (2) are respectively provided with light-transmitting white glass (5).
3. The infrared imaging concave lens device of a banknote counter according to claim 1, wherein: the number of the concave lenses (7) is 144, and the number of the infrared receiving sensors (2) and the infrared transmitting sensors (1) is at least 120-226.
4. The infrared imaging concave lens device of a banknote counter according to claim 1, wherein: the center distance between the infrared emission sensor (1) and the infrared receiving sensor (2) is 0.5-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321725454.6U CN220543391U (en) | 2023-07-04 | 2023-07-04 | Infrared imaging concave lens device of banknote counter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321725454.6U CN220543391U (en) | 2023-07-04 | 2023-07-04 | Infrared imaging concave lens device of banknote counter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220543391U true CN220543391U (en) | 2024-02-27 |
Family
ID=89976331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321725454.6U Active CN220543391U (en) | 2023-07-04 | 2023-07-04 | Infrared imaging concave lens device of banknote counter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220543391U (en) |
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2023
- 2023-07-04 CN CN202321725454.6U patent/CN220543391U/en active Active
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